html2canvas/dist/html2canvas.min.js

/*
  html2canvas 0.5.0-alpha <http://html2canvas.hertzen.com>
  Copyright (c) 2014 Niklas von Hertzen

  Released under MIT License
*/
(function(a,b,c,d,e,f,g){function h(a,b,c,d){return o(a,a,c,d,b).then(function(e){E("Document cloned");var f="["+Qb+"='true']";a.querySelector(f).removeAttribute(Qb);var g=e.contentWindow,h=g.document.querySelector(f);return i(h,e,b,c,d)})}function i(a,c,d,e,f){var g=c.contentWindow,h=new Gb(g.document),i=new C(d,h),n=M(a),o=null!=d.width?d.width:"view"===d.type?Math.min(n.width,e):l(g.document),p=null!=d.height?d.height:"view"===d.type?Math.min(n.height,f):m(g.document),q=new Ob(o,p,i,d,b),r=new O(a,q,h,i,d);return r.ready.then(function(){E("Finished rendering");var b="view"===d.type||a!==g.document.body&&a!==g.document.documentElement&&null==d.canvas?k(q.canvas,{width:o,height:p,top:n.top,left:n.left}):q.canvas;return j(c,d),b})}function j(a,b){b.removeContainer&&(a.parentNode.removeChild(a),E("Cleaned up container"))}function k(a,c){var d=b.createElement("canvas"),e=Math.min(a.width-1,Math.max(0,c.left)),f=Math.min(a.width,Math.max(1,c.left+c.width)),g=Math.min(a.height-1,Math.max(0,c.top)),h=Math.min(a.height,Math.max(1,c.top+c.height)),i=d.width=f-e,j=d.height=h-g;return E("Cropping canvas at:","left:",c.left,"top:",c.top,"width:",c.width,"height:",c.height),E("Resulting crop with width",i,"and height",j," with x",e,"and y",g),d.getContext("2d").drawImage(a,e,g,i,j,0,0,i,j),d}function l(a){return Math.max(Math.max(a.body.scrollWidth,a.documentElement.scrollWidth),Math.max(a.body.offsetWidth,a.documentElement.offsetWidth),Math.max(a.body.clientWidth,a.documentElement.clientWidth))}function m(a){return Math.max(Math.max(a.body.scrollHeight,a.documentElement.scrollHeight),Math.max(a.body.offsetHeight,a.documentElement.offsetHeight),Math.max(a.body.clientHeight,a.documentElement.clientHeight))}function n(){return"data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7"}function o(b,c,d,e,f){r(b);var g=b.documentElement.cloneNode(!0),h=c.createElement("iframe");return h.style.visibility="hidden",h.style.position="absolute",h.style.left=h.style.top="-10000px",h.width=d,h.height=e,h.scrolling="no",c.body.appendChild(h),new Promise(function(c){var d=h.contentWindow.document;h.contentWindow.onload=h.onload=function(){var a=setInterval(function(){d.body.childNodes.length>0&&(s(b,d),clearInterval(a),c(h))},50)},d.open(),d.write("<!DOCTYPE html>"),d.close(),d.replaceChild(f.javascriptEnabled===!0?d.adoptNode(g):t(d.adoptNode(g)),d.documentElement),"view"===f.type&&h.contentWindow.scrollTo(a.pageXOffset,a.pageYOffset)})}function p(b,c,d,e,f,g){return new xb(b,c,a.document).then(q(b)).then(function(a){return o(a,d,e,f,g)})}function q(a){return function(c){var d,e=new DOMParser;try{d=e.parseFromString(c,"text/html")}catch(f){E("DOMParser not supported, falling back to createHTMLDocument"),d=b.implementation.createHTMLDocument("");try{d.open(),d.write(c),d.close()}catch(g){E("createHTMLDocument write not supported, falling back to document.body.innerHTML"),d.body.innerHTML=c}}var h=d.querySelector("base");if(!h||!h.href.host){var i=d.createElement("base");i.href=a,d.head.insertBefore(i,d.head.firstChild)}return d}}function r(a){[].slice.call(a.querySelectorAll("canvas"),0).forEach(function(a){a.setAttribute(Rb,"canvas-"+Sb++)})}function s(a,b){[].slice.call(a.querySelectorAll("["+Rb+"]"),0).forEach(function(a){try{var c=b.querySelector("["+Rb+'="'+a.getAttribute(Rb)+'"]');c&&(c.width=a.width,c.height=a.height,c.getContext("2d").putImageData(a.getContext("2d").getImageData(0,0,a.width,a.height),0,0))}catch(d){E("Unable to copy canvas content from",a,d)}a.removeAttribute(Rb)})}function t(a){return[].slice.call(a.childNodes,0).filter(u).forEach(function(b){"SCRIPT"===b.tagName?a.removeChild(b):t(b)}),a}function u(a){return a.nodeType===Node.ELEMENT_NODE}function v(a){var c=b.createElement("a");return c.href=a,c.href=c.href,c}function w(a){if(this.src=a,E("DummyImageContainer for",a),!this.promise||!this.image){E("Initiating DummyImageContainer"),w.prototype.image=new Image;var b=this.image;w.prototype.promise=new Promise(function(a,c){b.onload=a,b.onerror=c,b.src=n(),b.complete===!0&&a(b)})}}function x(a,c){var
},F.prototype.cssList=function(a,b){var c=(this.css(a)||"").split(",");return c=c[b||0]||c[0]||"auto",c=c.trim().split(" "),1===c.length&&(c=[c[0],c[0]]),c},F.prototype.parseBackgroundSize=function(a,b,c){var d,e,f=this.cssList("backgroundSize",c);if(I(f[0]))d=a.width*parseFloat(f[0])/100;else{if(/contain|cover/.test(f[0])){var g=a.width/a.height,h=b.width/b.height;return h>g^"contain"===f[0]?{width:a.height*h,height:a.height}:{width:a.width,height:a.width/h}}d=parseInt(f[0],10)}return e="auto"===f[0]&&"auto"===f[1]?b.height:"auto"===f[1]?d/b.width*b.height:I(f[1])?a.height*parseFloat(f[1])/100:parseInt(f[1],10),"auto"===f[0]&&(d=e/b.height*b.width),{width:d,height:e}},F.prototype.parseBackgroundPosition=function(a,b,c,d){var e,f,g=this.cssList("backgroundPosition",c);return e=I(g[0])?(a.width-(d||b).width)*(parseFloat(g[0])/100):parseInt(g[0],10),f="auto"===g[1]?e/b.width*b.height:I(g[1])?(a.height-(d||b).height)*parseFloat(g[1])/100:parseInt(g[1],10),"auto"===g[0]&&(e=f/b.height*b.width),{left:e,top:f}},F.prototype.parseBackgroundRepeat=function(a){return this.cssList("backgroundRepeat",a)[0]},F.prototype.parseTextShadows=function(){var a=this.css("textShadow"),b=[];if(a&&"none"!==a)for(var c=a.match(this.TEXT_SHADOW_PROPERTY),d=0;c&&d<c.length;d++){var e=c[d].match(this.TEXT_SHADOW_VALUES);b.push({color:e[0],offsetX:e[1]?e[1].replace("px",""):0,offsetY:e[2]?e[2].replace("px",""):0,blur:e[3]?e[3].replace("px",""):0})}return b},F.prototype.parseTransform=function(){if(!this.transformData)if(this.hasTransform()){var a=this.parseBounds(),b=this.prefixedCss("transformOrigin").split(" ").map(K).map(L);b[0]+=a.left,b[1]+=a.top,this.transformData={origin:b,matrix:this.parseTransformMatrix()}}else this.transformData={origin:[0,0],matrix:[1,0,0,1,0,0]};return this.transformData},F.prototype.parseTransformMatrix=function(){if(!this.transformMatrix){var a=this.prefixedCss("transform"),b=a?H(a.match(this.MATRIX_PROPERTY)):null;this.transformMatrix=b?b:[1,0,0,1,0,0]}return this.transformMatrix},F.prototype.parseBounds=function(){return this.bounds||(this.bounds=this.hasTransform()?N(this.node):M(this.node))},F.prototype.hasTransform=function(){return"1,0,0,1,0,0"!==this.parseTransformMatrix().join(",")||this.parent&&this.parent.hasTransform()},F.prototype.getValue=function(){var a=this.node.value||"";return a="SELECT"===this.node.tagName?G(this.node):a,0===a.length?this.node.placeholder||"":a},F.prototype.MATRIX_PROPERTY=/(matrix)\((.+)\)/,F.prototype.TEXT_SHADOW_PROPERTY=/((rgba|rgb)\([^\)]+\)(\s-?\d+px){0,})/g,F.prototype.TEXT_SHADOW_VALUES=/(-?\d+px)|(#.+)|(rgb\(.+\))|(rgba\(.+\))/g,O.prototype.calculateOverflowClips=function(){this.nodes.forEach(function(a){if(jb(a)){kb(a)&&a.appendToDOM(),a.borders=this.parseBorders(a);var b="hidden"===a.css("overflow")?[a.borders.clip]:[];a.clip=P(a)?a.parent.clip.concat(b):b,a.backgroundClip="hidden"!==a.css("overflow")?a.clip.concat([a.borders.clip]):a.clip,kb(a)&&a.cleanDOM()}else lb(a)&&(a.clip=P(a)?a.parent.clip:[]);kb(a)||(a.bounds=null)},this)},O.prototype.asyncRenderer=function(a,b,c){c=c||Date.now(),this.paint(a[this.renderIndex++]),a.length===this.renderIndex?b():c+20>Date.now()?this.asyncRenderer(a,b,c):setTimeout(ob(function(){this.asyncRenderer(a,b)},this),0)},O.prototype.createPseudoHideStyles=function(a){var b=a.createElement("style");b.innerHTML="."+Db.prototype.PSEUDO_HIDE_ELEMENT_CLASS_BEFORE+':before { content: "" !important; display: none !important; }.'+Db.prototype.PSEUDO_HIDE_ELEMENT_CLASS_AFTER+':after { content: "" !important; display: none !important; }',a.body.appendChild(b)},O.prototype.getPseudoElements=function(a){var b=[[a]];if(a.node.nodeType===Node.ELEMENT_NODE){var c=this.getPseudoElement(a,":before"),d=this.getPseudoElement(a,":after");c&&b.push(c),d&&b.push(d)}return sb(b)},O.prototype.getPseudoElement=function(a,c){var d=a.computedStyle(c);if(!d||!d.content||"none"===d.content||"-moz-alt-content"===d.content||"none"===d.display)return null;for(var e=tb(d.content),f="url"===e.substr(0,3),g=b.createElement(f?"img":"html2canvaspseudoelement"),h=new Db(g,a,c)
rename build folder to dist 2014-09-01 21:22:56 +04:00			`/*`
			`html2canvas 0.5.0-alpha <http://html2canvas.hertzen.com>`
			`Copyright (c) 2014 Niklas von Hertzen`

			`Released under MIT License`
			`*/`
Fix pseudoelement rendering (with nth-child selectors etc.) 2014-10-06 23:46:43 +04:00			(function(a,b,c,d,e,f,g){function h(a,b,c,d){return o(a,a,c,d,b).then(function(e){E("Document cloned");var f="["+Qb+"='true']";a.querySelector(f).removeAttribute(Qb);var g=e.contentWindow,h=g.document.querySelector(f);return i(h,e,b,c,d)})}function i(a,c,d,e,f){var g=c.contentWindow,h=new Gb(g.document),i=new C(d,h),n=M(a),o=null!=d.width?d.width:"view"===d.type?Math.min(n.width,e):l(g.document),p=null!=d.height?d.height:"view"===d.type?Math.min(n.height,f):m(g.document),q=new Ob(o,p,i,d,b),r=new O(a,q,h,i,d);return r.ready.then(function(){E("Finished rendering");var b="view"===d.type\|\|a!==g.document.body&&a!==g.document.documentElement&&null==d.canvas?k(q.canvas,{width:o,height:p,top:n.top,left:n.left}):q.canvas;return j(c,d),b})}function j(a,b){b.removeContainer&&(a.parentNode.removeChild(a),E("Cleaned up container"))}function k(a,c){var d=b.createElement("canvas"),e=Math.min(a.width-1,Math.max(0,c.left)),f=Math.min(a.width,Math.max(1,c.left+c.width)),g=Math.min(a.height-1,Math.max(0,c.top)),h=Math.min(a.height,Math.max(1,c.top+c.height)),i=d.width=f-e,j=d.height=h-g;return E("Cropping canvas at:","left:",c.left,"top:",c.top,"width:",c.width,"height:",c.height),E("Resulting crop with width",i,"and height",j," with x",e,"and y",g),d.getContext("2d").drawImage(a,e,g,i,j,0,0,i,j),d}function l(a){return Math.max(Math.max(a.body.scrollWidth,a.documentElement.scrollWidth),Math.max(a.body.offsetWidth,a.documentElement.offsetWidth),Math.max(a.body.clientWidth,a.documentElement.clientWidth))}function m(a){return Math.max(Math.max(a.body.scrollHeight,a.documentElement.scrollHeight),Math.max(a.body.offsetHeight,a.documentElement.offsetHeight),Math.max(a.body.clientHeight,a.documentElement.clientHeight))}function n(){return"data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7"}function o(b,c,d,e,f){r(b);var g=b.documentElement.cloneNode(!0),h=c.createElement("iframe");return h.style.visibility="hidden",h.style.position="absolute",h.style.left=h.style.top="-10000px",h.width=d,h.height=e,h.scrolling="no",c.body.appendChild(h),new Promise(function(c){var d=h.contentWindow.document;h.contentWindow.onload=h.onload=function(){var a=setInterval(function(){d.body.childNodes.length>0&&(s(b,d),clearInterval(a),c(h))},50)},d.open(),d.write("<!DOCTYPE html>"),d.close(),d.replaceChild(f.javascriptEnabled===!0?d.adoptNode(g):t(d.adoptNode(g)),d.documentElement),"view"===f.type&&h.contentWindow.scrollTo(a.pageXOffset,a.pageYOffset)})}function p(b,c,d,e,f,g){return new xb(b,c,a.document).then(q(b)).then(function(a){return o(a,d,e,f,g)})}function q(a){return function(c){var d,e=new DOMParser;try{d=e.parseFromString(c,"text/html")}catch(f){E("DOMParser not supported, falling back to createHTMLDocument"),d=b.implementation.createHTMLDocument("");try{d.open(),d.write(c),d.close()}catch(g){E("createHTMLDocument write not supported, falling back to document.body.innerHTML"),d.body.innerHTML=c}}var h=d.querySelector("base");if(!h\|\|!h.href.host){var i=d.createElement("base");i.href=a,d.head.insertBefore(i,d.head.firstChild)}return d}}function r(a){[].slice.call(a.querySelectorAll("canvas"),0).forEach(function(a){a.setAttribute(Rb,"canvas-"+Sb++)})}function s(a,b){[].slice.call(a.querySelectorAll("["+Rb+"]"),0).forEach(function(a){try{var c=b.querySelector("["+Rb+'="'+a.getAttribute(Rb)+'"]');c&&(c.width=a.width,c.height=a.height,c.getContext("2d").putImageData(a.getContext("2d").getImageData(0,0,a.width,a.height),0,0))}catch(d){E("Unable to copy canvas content from",a,d)}a.removeAttribute(Rb)})}function t(a){return[].slice.call(a.childNodes,0).filter(u).forEach(function(b){"SCRIPT"===b.tagName?a.removeChild(b):t(b)}),a}function u(a){return a.nodeType===Node.ELEMENT_NODE}function v(a){var c=b.createElement("a");return c.href=a,c.href=c.href,c}function w(a){if(this.src=a,E("DummyImageContainer for",a),!this.promise\|\|!this.image){E("Initiating DummyImageContainer"),w.prototype.image=new Image;var b=this.image;w.prototype.promise=new Promise(function(a,c){b.onload=a,b.onerror=c,b.src=n(),b.complete===!0&&a(b)})}}function x(a,c){var
			},F.prototype.cssList=function(a,b){var c=(this.css(a)\|\|"").split(",");return c=c[b\|\|0]\|\|c[0]\|\|"auto",c=c.trim().split(" "),1===c.length&&(c=[c[0],c[0]]),c},F.prototype.parseBackgroundSize=function(a,b,c){var d,e,f=this.cssList("backgroundSize",c);if(I(f[0]))d=a.widthparseFloat(f[0])/100;else{if(/contain\|cover/.test(f[0])){var g=a.width/a.height,h=b.width/b.height;return h>g^"contain"===f[0]?{width:a.heighth,height:a.height}:{width:a.width,height:a.width/h}}d=parseInt(f[0],10)}return e="auto"===f[0]&&"auto"===f[1]?b.height:"auto"===f[1]?d/b.widthb.height:I(f[1])?a.heightparseFloat(f[1])/100:parseInt(f[1],10),"auto"===f[0]&&(d=e/b.heightb.width),{width:d,height:e}},F.prototype.parseBackgroundPosition=function(a,b,c,d){var e,f,g=this.cssList("backgroundPosition",c);return e=I(g[0])?(a.width-(d\|\|b).width)(parseFloat(g[0])/100):parseInt(g[0],10),f="auto"===g[1]?e/b.widthb.height:I(g[1])?(a.height-(d\|\|b).height)parseFloat(g[1])/100:parseInt(g[1],10),"auto"===g[0]&&(e=f/b.height*b.width),{left:e,top:f}},F.prototype.parseBackgroundRepeat=function(a){return this.cssList("backgroundRepeat",a)[0]},F.prototype.parseTextShadows=function(){var a=this.css("textShadow"),b=[];if(a&&"none"!==a)for(var c=a.match(this.TEXT_SHADOW_PROPERTY),d=0;c&&d<c.length;d++){var e=c[d].match(this.TEXT_SHADOW_VALUES);b.push({color:e[0],offsetX:e[1]?e[1].replace("px",""):0,offsetY:e[2]?e[2].replace("px",""):0,blur:e[3]?e[3].replace("px",""):0})}return b},F.prototype.parseTransform=function(){if(!this.transformData)if(this.hasTransform()){var a=this.parseBounds(),b=this.prefixedCss("transformOrigin").split(" ").map(K).map(L);b[0]+=a.left,b[1]+=a.top,this.transformData={origin:b,matrix:this.parseTransformMatrix()}}else this.transformData={origin:[0,0],matrix:[1,0,0,1,0,0]};return this.transformData},F.prototype.parseTransformMatrix=function(){if(!this.transformMatrix){var a=this.prefixedCss("transform"),b=a?H(a.match(this.MATRIX_PROPERTY)):null;this.transformMatrix=b?b:[1,0,0,1,0,0]}return this.transformMatrix},F.prototype.parseBounds=function(){return this.bounds\|\|(this.bounds=this.hasTransform()?N(this.node):M(this.node))},F.prototype.hasTransform=function(){return"1,0,0,1,0,0"!==this.parseTransformMatrix().join(",")\|\|this.parent&&this.parent.hasTransform()},F.prototype.getValue=function(){var a=this.node.value\|\|"";return a="SELECT"===this.node.tagName?G(this.node):a,0===a.length?this.node.placeholder\|\|"":a},F.prototype.MATRIX_PROPERTY=/(matrix)\((.+)\)/,F.prototype.TEXT_SHADOW_PROPERTY=/((rgba\|rgb)\([^\)]+\)(\s-?\d+px){0,})/g,F.prototype.TEXT_SHADOW_VALUES=/(-?\d+px)\|(#.+)\|(rgb\(.+\))\|(rgba\(.+\))/g,O.prototype.calculateOverflowClips=function(){this.nodes.forEach(function(a){if(jb(a)){kb(a)&&a.appendToDOM(),a.borders=this.parseBorders(a);var b="hidden"===a.css("overflow")?[a.borders.clip]:[];a.clip=P(a)?a.parent.clip.concat(b):b,a.backgroundClip="hidden"!==a.css("overflow")?a.clip.concat([a.borders.clip]):a.clip,kb(a)&&a.cleanDOM()}else lb(a)&&(a.clip=P(a)?a.parent.clip:[]);kb(a)\|\|(a.bounds=null)},this)},O.prototype.asyncRenderer=function(a,b,c){c=c\|\|Date.now(),this.paint(a[this.renderIndex++]),a.length===this.renderIndex?b():c+20>Date.now()?this.asyncRenderer(a,b,c):setTimeout(ob(function(){this.asyncRenderer(a,b)},this),0)},O.prototype.createPseudoHideStyles=function(a){var b=a.createElement("style");b.innerHTML="."+Db.prototype.PSEUDO_HIDE_ELEMENT_CLASS_BEFORE+':before { content: "" !important; display: none !important; }.'+Db.prototype.PSEUDO_HIDE_ELEMENT_CLASS_AFTER+':after { content: "" !important; display: none !important; }',a.body.appendChild(b)},O.prototype.getPseudoElements=function(a){var b=[[a]];if(a.node.nodeType===Node.ELEMENT_NODE){var c=this.getPseudoElement(a,":before"),d=this.getPseudoElement(a,":after");c&&b.push(c),d&&b.push(d)}return sb(b)},O.prototype.getPseudoElement=function(a,c){var d=a.computedStyle(c);if(!d\|\|!d.content\|\|"none"===d.content\|\|"-moz-alt-content"===d.content\|\|"none"===d.display)return null;for(var e=tb(d.content),f="url"===e.substr(0,3),g=b.createElement(f?"img":"html2canvaspseudoelement"),h=new Db(g,a,c)